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Semiautomatic switching system
In
telecommunication
, the term
semiautomatic
switching system
has the following meanings:
In
telephone
systems
, a
switching
system
in which
telephone operators
receive
call
instructions
orally
from
users
and
complete
them by
automatic
equipment
.
At
tape relay
intermediate
stations
, the
manual
routing
or rerouting of
taped
messages
without
rekeying
them.